<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    {{info}}
    <!--v-model="变量";是双向绑定，变量值的改变会影响页面控件，控件值的改变也会影响变量-->
    <input type="text" v-model="info">
    <h3>注册页面</h3>
    <input type="text" placeholder="请输入用户名" v-model="user.username">
    <input type="password" placeholder="请输入密码" v-model="user.password">
</div>
<script src="js/vue.min.js"></script>
<script>
    let v=new Vue({
        el:"body>div",
        data:{
            info:"双向绑定",
            user:{username:"",password:""}
        }
    });
</script>
</body>
</html>